Home / 5,186.42-7,155.32-3,324.50

Finding the Fourth Proportional to 5,186.42, 7,155.32 and 3,324.50

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Solution

The fourth proportional to 5,186.42, 7,155.32 and 3,324.50 is: 4,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.42 : 7,155.32 = 3,324.50 : x
  2. Step 2: Convert to fraction form
    5,186.42/7,155.32 = 3,324.50/x
  3. Step 3: Cross multiply
    5,186.42x = 7,155.32 × 3,324.50
  4. Step 4: Simplify right side
    5,186.42x = 23,787,861.34
  5. Step 5: Solve for x
    x = 23,787,861.34/5,186.42
  6. Step 6: Final answer
    x = 4,586.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.